Kildare Senator says red tape and a lack of contractors are factors.
The waiting time for the Warmer Homes Scheme has lengthened to 26 months, and the number of projects completed have plummetted.
Over 6,500 applications were completed in 2017 compared to just over 1,500 last year.
Less than 50% of the budget for the scheme, an allocated €50 million, was spent last year.
Issues affecting the programme include availability of contractors, and the amount of paperwork involved.
Kildare Labour Senator, Mark Wall, says the red tape involved is signification
Senator Wall joined Ciara Noble on Tuesday's edition of Kildare Today, where he also discussed the train fare disparity between Sallins and Newbridge
.

Kildare Drugs Arrest
Man Arrested After €400,000 Worth Of Drugs Seized In Kildare
22 People Arrested For Driving Under The Influence Since Yesterday
Health Minister Meeting With Kill-Based Contractors BAM, Amidst Concerns Of Further Delays To New Children's Hospital
Relay For Life Officially Launched In Newbridge On Wednesday Night
Celbridge Facing 300+ Year Wait For New Homes Based On Current Building Rates
Kfm Obituary Notices
Much-Loved Clongowes Staff Member Fiona Doyle Retires After 22 Years